@@ -1,5 +1,9 @@
2010-10-06 Nicola Pero <email@example.com>
+ * README: Obsolete file removed.
+2010-10-06 Nicola Pero <firstname.lastname@example.org>
Implemented fast enumeration for Objective-C.
* objc-act.c (build_fast_enumeration_state_template): New.
@@ -1,97 +0,0 @@
-GNU Objective C notes
-This document is to explain what has been done, and a little about how
-specific features differ from other implementations. The runtime has
-been completely rewritten in gcc 2.4. The earlier runtime had several
-severe bugs and was rather incomplete. The compiler has had several
-new features added as well.
-This is not documentation for Objective C, it is usable to someone
-who knows Objective C from somewhere else.
-Runtime API functions
-The runtime is modeled after the NeXT Objective C runtime. That is,
-most functions have semantics as it is known from the NeXT. The
-names, however, have changed. All runtime API functions have names
-of lowercase letters and underscores as opposed to the
-`traditional' mixed case names.
- The runtime api functions are not documented as of now.
-Someone offered to write it, and did it, but we were not allowed to
-use it by his university (Very sad story). We have started writing
-the documentation over again. This will be announced in appropriate
-places when it becomes available.
-Protocols are now fully supported. The semantics is exactly as on the
-NeXT. There is a flag to specify how protocols should be typechecked
-when adopted to classes. The normal typechecker requires that all
-methods in a given protocol must be implemented in the class that
-adopts it -- it is not enough to inherit them. The flag
-`-Wno-protocol' causes it to allow inherited methods, while
-`-Wprotocols' is the default which requires them defined.
-This method, if defined, is called before any other instance or class
-methods of that particular class. This method is not inherited, and
-is thus not called as initializer for a subclass that doesn't define
-it itself. Thus, each +initialize method is called exactly once (or
-never if no methods of that particular class is never called).
-Besides this, it is allowed to have several +initialize methods, one
-for each category. The order in which these (multiple methods) are
-called is not well defined. I am not completely certain what the
-semantics of this method is for other implementations, but this is
-how it works for GNU Objective C.
-This is supported in the style of NeXT TypedStream's. Consult the
-headerfile Typedstreams.h for api functions. I (Kresten) have
-rewritten it in Objective C, but this implementation is not part of
-2.4, it is available from the GNU Objective C prerelease archive.
- There is one difference worth noting concerning objects stored with
-objc_write_object_reference (aka NXWriteObjectReference). When these
-are read back in, their object is not guaranteed to be available until
-the `-awake' method is called in the object that requests that object.
-To objc_read_object you must pass a pointer to an id, which is valid
-after exit from the function calling it (like e.g. an instance
-variable). In general, you should not use objects read in until the
--awake method is called.
-The GNU Objective C team: Geoffrey Knauth <email@example.com> (manager),
-Tom Wood <firstname.lastname@example.org> (compiler) and Kresten Krab Thorup
-<email@example.com> (runtime) would like to thank a some people for
-participating in the development of the present GNU Objective C.
-Paul Burchard <firstname.lastname@example.org> and Andrew McCallum
-<email@example.com> has been very helpful debugging the
-runtime. Eric Herring <firstname.lastname@example.org> has been very helpful
-cleaning up after the documentation-copyright disaster and is now
-helping with the new documentation.
-Steve Naroff <email@example.com> and Richard Stallman
-<firstname.lastname@example.org> has been very helpful with implementation details
-in the compiler.
-Please read the section `Submitting Bugreports' of the gcc manual
-before you submit any bugs.